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ML4621 - Data Quantizer

Description

The ML4621 data quantizer is a low noise, wideband monolithic IC designed specifically for signal recovery applications in fiber-optic receiver systems.

It contains a two stage wideband limiting amplifier which is capable of accepting an input signal as low as 2mV with a 55dB dynamic range.

Features

  • s 50MHz minimum bandwidth for data rates of up to 100MBd Can be powered by either 5V providing TTL level outputs, or -5.2V providing ECL level outputs Low noise design: 25µV RMS over 50MHz noise bandwidth Adjustable link monitor function s s s s s Wide 55dB input dynamic range 10ns minimum input pulse BLOCK.

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Datasheet Details

Part number ML4621
Manufacturer Micro Linear
File Size 161.69 KB
Description Data Quantizer
Datasheet download datasheet ML4621 Datasheet

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Full PDF Text Transcription

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February 1998 ML4621 Data Quantizer GENERAL DESCRIPTION The ML4621 data quantizer is a low noise, wideband monolithic IC designed specifically for signal recovery applications in fiber-optic receiver systems. It contains a two stage wideband limiting amplifier which is capable of accepting an input signal as low as 2mV with a 55dB dynamic range. This high level of sensitivity is achieved by using a DC restoration feedback loop which nulls any offset voltage produced in the limiting amplifier. The output stage is a high speed comparator circuit with both TTL and ECL outputs. An enable pin is included for added control. The minimum signal discriminator circuit provides a link monitor function with a user selectable reference voltage.
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